tendinous sheath of flexor carpi radialis

例句：

1. 1. The doctor had to remove the tendon sheath due to an infection.
   医生不得不因为感染而切除腱鞘。
2. 2.Tendon sheath injuries are common in athletes who engage in repetitive motions.
   经常重复运动的运动者中，腱鞘炎很常见。
3. 3.The patient's condition worsened after the tendon sheath was damaged during surgery.
   手术过程中腱鞘受损后，患者的病情恶化了。